WO2004005003A8 - 加圧ガス導入装置、及び、中空部を有する成形品の射出成形方法 - Google Patents
加圧ガス導入装置、及び、中空部を有する成形品の射出成形方法Info
- Publication number
- WO2004005003A8 WO2004005003A8 PCT/JP2003/008386 JP0308386W WO2004005003A8 WO 2004005003 A8 WO2004005003 A8 WO 2004005003A8 JP 0308386 W JP0308386 W JP 0308386W WO 2004005003 A8 WO2004005003 A8 WO 2004005003A8
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressurized gas
- gas supply
- hollow portion
- introducing device
- moldings
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1703—Introducing an auxiliary fluid into the mould
- B29C45/1732—Control circuits therefor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
加圧ガス導入装置は、加圧ガス供給源10と、複数の計量タンク20A,20B,20Cと、第1加圧ガス供給路30と、第1加圧ガス供給路30の途中に配置された加圧ガス供給弁31A,31B,31Cと、第2加圧ガス供給路32と、各第2加圧ガス供給路32の途中に配置された加圧ガス排出制御弁33A,33B,33Cから構成され、成形品に中空部を形成するために必要とされる加圧ガス量に基づき計量タンク20A,20B,20Cの組合せを決定し、かかる決定に基づき各第2加圧ガス供給路32に配置された加圧ガス排出制御弁33A,33B,33Cを制御する。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/514,315 US7521016B2 (en) | 2002-07-04 | 2003-07-02 | Pressurized gas introducing device, and injection molding method for moldings having hollow portion |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002195589 | 2002-07-04 | ||
JP2002-195589 | 2002-07-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004005003A1 WO2004005003A1 (ja) | 2004-01-15 |
WO2004005003A8 true WO2004005003A8 (ja) | 2005-01-27 |
Family
ID=30112344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/008386 WO2004005003A1 (ja) | 2002-07-04 | 2003-07-02 | 加圧ガス導入装置、及び、中空部を有する成形品の射出成形方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7521016B2 (ja) |
CN (1) | CN100439072C (ja) |
WO (1) | WO2004005003A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE551389T1 (de) * | 2009-08-07 | 2012-04-15 | Ticona Llc | Polyacetalzusammensetzung mit geringer formaldeyd-emission |
JP5672179B2 (ja) | 2011-07-06 | 2015-02-18 | 株式会社豊田自動織機 | 射出装置 |
EP2760927A1 (en) | 2011-09-29 | 2014-08-06 | Ticona LLC | Polymer composition for producing articles having a metallic appearance |
JPWO2016052480A1 (ja) * | 2014-09-30 | 2017-07-13 | 住友理工株式会社 | ガスインジェクション成形用樹脂組成物およびそれを用いて得られた中空成形体、並びにその中空成形体の製法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2139548B (en) | 1983-05-11 | 1986-11-19 | James Watson Hendry | Injection moulding |
US4534656A (en) * | 1983-06-07 | 1985-08-13 | Techne Corporation | Floating magnetic stirrer with driving guide rod |
DE3734164C3 (de) | 1987-10-09 | 1999-09-09 | Battenfeld Gmbh | Verfahren zum Spritzgießen von Formteilen aus thermoplastischen Kunststoffen sowie Vorrichtung zur Durchführung des Verfahrens |
DE58903027D1 (de) * | 1988-09-26 | 1993-01-28 | Engel Gmbh Maschbau | Spritzgiessmaschine. |
DE3991547C2 (de) * | 1988-12-26 | 1994-11-03 | Asahi Chemical Ind | Verfahren und Vorrichtung zum Spritzgießen eines hohlen, geformten Gegenstandes |
US5252287A (en) * | 1989-11-03 | 1993-10-12 | Dynamit Nobel Ag | Method of injection molding hollow articles |
US5118455A (en) * | 1990-03-29 | 1992-06-02 | Loren Norman S | Gas assisted injection molding |
US5039463A (en) * | 1990-03-29 | 1991-08-13 | Loren Norman S | Gas assisted injection molding |
US5198240A (en) * | 1990-07-19 | 1993-03-30 | Nitrojection Corporation | Pressurization control unit for a gas-assisted injection molding machine |
US5411685A (en) * | 1992-10-08 | 1995-05-02 | Design-Rite, Inc. | Gas control unit and process for gas-assisted injection molding |
JP2511800B2 (ja) * | 1993-07-19 | 1996-07-03 | 泰典 堀 | 樹脂成形品及びその成形方法並びにその成形装置 |
JP3586752B2 (ja) * | 1995-03-20 | 2004-11-10 | 株式会社フジキン | 中空射出成形における加圧ガス供給装置 |
US5900198A (en) * | 1996-01-31 | 1999-05-04 | Hori; Yasunori | Method of producing molded resin product |
JP3517769B2 (ja) * | 1997-07-10 | 2004-04-12 | 東洋機械金属株式会社 | 射出成形機のガス供給システム |
-
2003
- 2003-07-02 WO PCT/JP2003/008386 patent/WO2004005003A1/ja active Application Filing
- 2003-07-02 US US10/514,315 patent/US7521016B2/en active Active
- 2003-07-02 CN CNB038156547A patent/CN100439072C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1665664A (zh) | 2005-09-07 |
WO2004005003A1 (ja) | 2004-01-15 |
CN100439072C (zh) | 2008-12-03 |
US20050226954A1 (en) | 2005-10-13 |
US7521016B2 (en) | 2009-04-21 |
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